body,html{
    height: 100%;
}
.box{
    width: 100%;
    height: 100%;

}

.box-left img{
    width: 375px;
    height:100%;
    float: left;
}
.box-right{
    float: left;
}
.box-nav{
    width: 1071px;
    padding: 20px;
    height: 80px;
    box-sizing: border-box;
    line-height: 40px;
}
.nav-left{
    float: left;
    color: #333;
    line-height: 40px;
    width: 154px;

}
.nav-left img{
    margin-right: 10px;
    width: 40px;
    height: 40px;
}
.nav-left span{
    font-size: 24px;
    font-weight: 500;
}
.nav-right{
    float: right;
}
.nav-right a{
    text-decoration: none;
    margin-left: 10px;
    margin-right: 10px;
    display: inline-block;
    font-size: 14px;
    font-weight: 400;
    color: #838383;
    cursor: pointer;
}
.input{
    position: relative;
    text-align: center;
}
.land{
    box-shadow: 0 20px 50px 0 hsl(0deg 0% 64% / 10%);
    /* text-align: left; */
    display: inline-block;
    box-sizing: border-box;
    overflow: hidden;
    border-radius: 4px;
    padding: 40px 45px;
    position: relative;
    /* margin: 0 auto 80px; */
    min-width: 450px;
    /* height: 600px; */
    
}
.land ul{
    display: flex;
}
 li{
    border: 1px solid orange;
    font-size: 20px;
    color: gray;
    padding: 5px;
    line-height: 30px;
    text-align: center;
    width: 50%;
}
.inptext{
    width: 100%;
    margin-top: 20px;
    line-height: 50px;
    text-align: center;
    /* outline: none; */
    background-color: beige;
    color: grey;
    font-size: 20px;
    border: none;

}
.inptext-a{
    width: 100%;
    margin-top: 20px;
    line-height: 50px;
    text-align: center;
    /* outline: none; */
    background-color: beige;
    color: grey;
    font-size: 20px;
    border: none;

}
.inptext-b{
    width: 100%;
    margin-top: 20px;
    line-height: 50px;
    text-align: center;
    /* outline: none; */
    background-color: beige;
    color: grey;
    font-size: 20px;
    border: none;

}
.inptext-c{
    width: 100%;
    margin-top: 20px;
    line-height: 50px;
    text-align: center;
    /* outline: none; */
    background-color: beige;
    color: grey;
    font-size: 20px;
    border: none;

}
.btn{
    
    font-size: 26px;
    background-color: coral;
    padding:5px;
    /* outline: none; */
    outline: coral;
    color: white;
    text-align: center;
    margin-top: 20px;
    /* line-height: 40px; */
    border: none;

    
}
.btn-c{
    
    font-size: 26px;
    background-color: coral;
    padding:5px;
    /* outline: none; */
    outline: coral;
    color: white;
    text-align: center;
    margin-top: 20px;
    /* line-height: 40px; */
    border: none;

    
}
.first{
    position: absolute;
    top: 65%;
    left: 30%;
    display: none;
}
.on{
    color: tomato;
}
/* .copy-c{
    display: none;

} */
.copy{
    top: 72px;
    left: 45px;
    display: none;
}
.two {
    margin-top: 150px;
    display: none;
    font-size: 40px;
    color: red;
}